Wall controller



FIG. 1 is a top perspective view of a wall controller;

FIG. 2 is a bottom perspective view of the wall controller of FIG. 1;

FIG. 3 is a top view of the wall controller of FIG. 1;

FIG. 4 is a bottom view of the wall controller of FIG. 1;

FIG. 5 is a left side view of the wall controller of FIG. 1;

FIG. 6 is a right side view of the wall controller of FIG. 1;

FIG. 7 is a front side view of the wall controller of FIG. 1; and,

FIG. 8 is a rear side view of the wall controller of FIG. 1.

Portions of the wall controller shown in broken lines form no part of the claimed design. 

CLAIM The ornamental design for a wall controller, as shown and described. 